贯通式潜孔锤
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hollow through dth hammer 贯通式潜孔锤
hollow-through dth hammer 贯通式潜孔锤
hollow-through air DTH hammer 贯通式气动潜孔锤
hollow-through type dth hammer 贯通式潜孔锤
hollow-through dth
hollow-through潜
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The hollow-through DTH hammer drilling techniques with whole hole reverse circulation is adopted, it is proved that this technique can resolve drilling.
贯通式潜孔锤反循环钻进技术是一种先进的钻探方法,适用于复杂地层中的地质勘探以及各类钻孔工程。
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